/*
 * Copyright 2013 Giesecke & Devrient GmbH.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.gieseckedevrient.android.servicelayertester;

public class Util {
    /**
     * Forms an hex-encoded String of the specified byte array.
     *
     * @param byteArray The byte array to be hex-encoded.
     *
     * @return An hex-encoded String of the specified byte array.
     */
    public static String byteArrayToHexString(byte[] byteArray) {
        if (byteArray == null) {
            return "";
        }

        StringBuffer sb = new StringBuffer();

        for (byte b : byteArray) {
            sb.append(String.format("%02X ", b & 0xFF));
        }

        return sb.substring(0, sb.length() - 1).toString();
    }
}
